:root {
  --preloader-bg: #F3F8FF;
  --accent: #0400d4;
  --white: #FFFFFF;
  --muted: #EFF5FD;
  --bg: #7B7B98;
  
  --shimmer-bg: #D8DCE6;
  --shimmer-highlight: rgba(255, 255, 255, 0.6);
  --shimmer-speed: 2s;
}

#preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: var(--preloader-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000000;
  transition: opacity .35s ease, visibility .35s ease;
  pointer-events: auto !important;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

.preloader-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.preloader-background {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  background: url('../img/Ellipse1.png') no-repeat left 12.29vh;
  background-size: 59vw auto;
}

.custom-block {
  width: 137.5px;
  height: 65px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 24px;
  left: 128px;
  background: var(--shimmer-bg);
  overflow: hidden;
  z-index: 10;
}

.custom-block-2 {
  width: 342px;
  height: 38px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 38px;
  left: 311px;
  background: var(--shimmer-bg);
  overflow: hidden;
  z-index: 10;
}

.custom-block-3 {
  width: 514.25px;
  height: 38px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 38px;
  left: 906px;
  background: var(--shimmer-bg);
  border-radius: 4px;
  overflow: hidden;
}

.custom-block-4 {
  width: 247.5px;
  height: 50px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 32px;
  left: 1449px;
  background: var(--shimmer-bg);
  border-radius: 55px;
  overflow: hidden;
}

.custom-block-5 {
  width: 762px;
  height: 156px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 261px;
  left: 303px;
  background: var(--shimmer-bg);
  overflow: hidden;
}

.custom-block-6 {
  width: 554px;
  height: 98px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 480px;
  left: 303px;
  background: var(--shimmer-bg);
  overflow: hidden;
}

.custom-block-7 {
  width: 273px;
  height: 55px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 658px;
  left: 303px;
  background: var(--shimmer-bg);
  border-radius: 71px;
  overflow: hidden;
}

.custom-block-8 {
  width: 618px;
  height: 308px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 255px;
  left: 1227px;
  background: var(--shimmer-bg);
  overflow: hidden;
}

.custom-block-9 {
  width: 53px;
  height: 169px;
  transform: rotate(0deg);
  opacity: 1;
  position: absolute;
  top: 803px;
  left: 1227px;
  background: var(--shimmer-bg);
  overflow: hidden;
}

.spinner {
  width: 72px;
  height: 72px;
  position: relative;
}

.spinner:before,
.spinner:after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 6px solid transparent;
  box-sizing: border-box;
}

.spinner:before {
  border-top-color: var(--accent);
  border-right-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

.spinner:after {
  width: 48px;
  height: 48px;
  top: 12px;
  left: 12px;
  border: 4px solid rgba(0,0,0,0.06);
  border-radius: 50%;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.custom-block-3,
.custom-block-4,
.custom-block-5,
.custom-block-6,
.custom-block-7,
.custom-block-8,
.custom-block-9 {
  z-index: 10;
}

.custom-block::before,
.custom-block-2::before,
.custom-block-3::before,
.custom-block-4::before,
.custom-block-5::before,
.custom-block-6::before,
.custom-block-7::before,
.custom-block-8::before,
.custom-block-9::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--shimmer-highlight),
    transparent
  );
  animation: shimmer var(--shimmer-speed) infinite ease-in-out;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  50% {
    left: 100%;
  }
  100% {
    left: 100%;
  }
}

/* Скрыть preloader для разрешений ниже 1440px */
@media (max-width: 1439px) {
  #preloader {
    display: none !important;
  }
}